One of the main of the summit was “sustainable development ,or the ?question? ho
来源：网络
时间：
推荐文章
One of the main __________ of the summit was “sustainable development”,or the ?question? how we can continue developing the world without damaging the environment.
A.headlines
B.themes
C.topics
D.deadlines
试题答案
B
headline大字标题；theme主题,主旋律；topic话题,主题；deadline期限。这里指的是大会的主题,应用theme。